- ▸ Soft-segment polyether polyol for high-performance PU elastomers and TPU
- ▸ Higher-MW grade for softer, more extensible cast elastomers and spandex
- ▸ Provides resilience, abrasion and hydrolysis resistance
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →Soft-segment polyether polyol for high-performance PU elastomers and TPU Higher-MW grade for softer, more extensible cast elastomers and spandex Provides resilience, abrasion and hydrolysis resistance
Regulatory & registration requirements
- TSCA (US):
- REACH (EU): Not determined from public registry
- EC number: 607-637-9
TSCA Inventory flag XU: a substance exempt from reporting under the Chemical Data Reporting Rule (40 CFR 711) (EPA flag legend).
Source: EPA TSCA Inventory (July 2025 release) · ECHA CHEM — retrieved 2026-07-12
Frequently Asked Questions
What is Polytetramethylene ether glycol (PTMEG) (CAS 25190-06-1)?
Polytetramethylene ether glycol (PTMEG) (CAS 25190-06-1) is a film formation agent supplied by RawSource in bulk. Soft-segment polyether polyol for high-performance PU elastomers and TPU
What is the molecular formula and weight of Polytetramethylene ether glycol (PTMEG)?
Molecular formula C8H18O2, molecular weight 146.23 g/mol. IUPAC name: (2S)-2-butoxybutan-1-ol
Is Polytetramethylene ether glycol (PTMEG) hazardous?
Yes
What is the REACH and TSCA regulatory status of Polytetramethylene ether glycol (PTMEG)?
Polytetramethylene ether glycol (PTMEG) (CAS 25190-06-1) is listed as Active on the U.S. EPA TSCA Inventory; its REACH registration status is not determined from the public ECHA registry.